* calibrate your sense of smell (such as checking your ability to smell certain foods), so that you can detect early this telltale sign of [[COVID-19]]: a loss in smell.<ref>" According to the study, some of the telltale differences in smell loss due to regular cold and COVID-19 include: | * calibrate your sense of smell (such as checking your ability to smell certain foods), so that you can detect early this telltale sign of [[COVID-19]]: a loss in smell.<ref>" According to the study, some of the telltale differences in smell loss due to regular cold and COVID-19 include: |